Features 1.Professional Standard: The grip strengthener is a high-quality product to a high standard,which allows you to always feel healthy,flexible and strong.Build pressure,strengthen muscles and heal injuries: These solid grippers provide everything,which need a powerful,compact device. 2.Perfect Grip: For training without compromise.Thanks to the specially developed surface structure,the hand muscle trainer offers ideal handling without slipping. 3.Easy to Carry: Forearm trainer is easy to use,comfortable to carry.It is perfect for musicians,guitarists,athletes,golfers,climbers,tennis players and office workers.It is a good choice to train your fingers,wrist,arm flexibility and muscle strength. 4.Suitable for strengthening hand strength and rehabilitation of hand exercises: whether you are an athlete or fitness enthusiast who has strict requirements on the handle,our hand training device will be your good choice.If your hand suffers from muscle fatigue or joint pain,the hand grip trainer can help you effectively muscle fatigue.to relieve and fix hand injuries. 5.Treatment and Prevention of Injuries: This strengthening device made of metal is effective for rehabilitation and strengthening.Start with pliers at low resistance and work gradually through the training level as you become stronger and recover.Ideal for preventing RSI such as carpal tunnel syndrome,tendonitis,etc. Specification Material: Futon,Iron Color: Blue,Green,Yellow,Rose red Size: 9 x 12.5 cm Weight: 100 g Package Include: 1 Pair Hand Grip Trainer